Spread.

Buyer.

Seller.

Willingness to buy.

Willingness to sell.

Buying pressure.

Selling Pressure.

Which is more?

Willingness leads to pressure…

…if buyer or seller is serious about it.

Willingness stops at willingness and does not lead to pressure when buyer or seller is in two minds.

Back to…

…buying pressure…

… and selling pressure.

When overall buying pressure outdoes overall selling pressure…

…prices move up.

When overall selling pressure outdoes overall buying pressure…

…prices move down.